View mutual fund news, mutual fund market and mutual fund interest rates. VGIAX | A complete Vanguard Growth & Income Fund;Admiral mutual fund overview by MarketWatch. MarketWatch Logo See performance data and interactive charts for Vanguard Star Fund (VGSTX). Research information including trailing returns and hypothetical growth for Vanguard Star Fund. the Best Mutual Fund. As seasoned bond investors know, the longer a bond’s term, the more interest rate risk incurred. But that risk is rewarded with higher yields. VWESX yields about 4.50% as compensation for an average duration of 13.30 years among this Vanguard mutual fund’s 834 holdings.